30102223452 has 192 divisors, whose sum is σ = 86164936704. Its totient is φ = 7992483840.

The previous prime is 30102223447. The next prime is 30102223471. The reversal of 30102223452 is 25432220103.

It is a super-2 number, since 2×30102223452² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23208468 + ... + 23209764.

It is an arithmetic number, because the mean of its divisors is an integer number (448775712).

Almost surely, 2^30102223452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30102223452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43082468352).

30102223452 is an abundant number, since it is smaller than the sum of its proper divisors (56062713252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30102223452 is a wasteful number, since it uses less digits than its factorization.

30102223452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 30102223452 its reverse (25432220103), we get a palindrome (55534443555).

The spelling of 30102223452 in words is "thirty billion, one hundred two million, two hundred twenty-three thousand, four hundred fifty-two".